1/* Linux implementation of copy_file_range.
2 Copyright (C) 2017-2018 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <sysdep-cancel.h>
21#include <unistd.h>
22
23ssize_t
24copy_file_range (int infd, __off64_t *pinoff,
25 int outfd, __off64_t *poutoff,
26 size_t length, unsigned int flags)
27{
28#ifdef __NR_copy_file_range
29 return SYSCALL_CANCEL (copy_file_range, infd, pinoff, outfd, poutoff,
30 length, flags);
31#else
32 __set_errno (ENOSYS);
33 return -1;
34#endif
35}
36